Seoul’s four inner mountains carry an 18.6km defensive wall built in 1396, and the accessible piece of it, plus two flatter routes through the old city, cover a full day of walking without a car or a subway transfer partway through. Naksan Mountain wall section Start at Hyehwa Station Exit 2 on Line 4 and walk into Ihwa Mural Village first, then climb along the illuminated stone battlements to Naksan Park’s summit at 125 meters, descending along the wall to Heunginjimun, also called Dongdaemun Gate.

Seoul’s sightseeing core is five palaces that close on two different days, so the biggest planning mistake is showing up on the wrong one. The five palaces and their closing days Gyeongbokgung, the largest and most visited, closes on Tuesdays; admission is 3,000 won and the Royal Guard Changing Ceremony runs free outside Heungnyemun gate at 10am and 2pm. Changdeokgung, Changgyeonggung, Deoksugung, and the free-entry Gyeonghuigung all close on Mondays instead, so a Monday visit rules out four of the five and a Tuesday visit rules out the other one.

Seoul’s most romantic hours happen after dark, on two towers and one bridge, with a neighborhood of warehouse cafes to fill the afternoon before either. N Seoul Tower and the love locks Namsan Cable Car departs from Sopa-ro near Myeongdong Station Exit 3, a short walk to the Namsan Ormi outdoor elevator; round-trip fare runs around 17,000 won, though it’s worth confirming the exact figure at the ticket booth. The love lock terraces below the tower are covered in padlocks, sold on-site from 8,000 to 15,000 won or brought from home, and the 360-degree observatory deck 480 meters above sea level is 29,000 won adult.

Seoul Station is the hub, not the destination, for four trips that turn a day out into an overnight: Gyeongju, Busan, Jeonju, and the Gangneung-Sokcho coast. Gyeongju, two days and one night KTX from Seoul Station to Singyeongju Station takes about two hours and five minutes, roughly 49,300 won one way, with local buses 50, 51, or 700 covering the last stretch into town. Gyeongju was the capital of the Silla Kingdom for close to a thousand years, and the sites reflect it: day one covers the Daereungwon tomb complex and its Cheonmachong interior, the seventh-century Cheomseongdae observatory, and Donggung Palace with its illuminated Wolji Pond at night.

The two theme parks get the attention, but Seoul’s free museums and parks are what actually stretch a family day without the ticket queue. Lotte World Adventure Lotte World, connected directly to Jamsil Station Exit 4, is the world’s largest indoor theme park, which matters in Seoul’s sub-zero winters and humid summers alike. The indoor Adventure half has the Pharaoh’s Fury and French Revolution coaster; Magic Island, outside on Seokchon Lake, carries the higher-thrill Gyro Drop and Atlantis water coaster.

Three destinations cover most of what a single day out of Seoul can reasonably fit: the DMZ north of the city, Suwon’s fortress south, and the Gapyeong cluster east toward Chuncheon. The DMZ, Paju corridor Independent travel past the Tongil Bridge checkpoint is not permitted, so this is organized coach-tour territory only, with pickups from Myeongdong, City Hall, or Hongdae between 6:30am and 8am and a return by early-to-mid afternoon. Standard tours, priced 65,000 to 95,000 won, cover Imjingak Park (the Freedom Bridge and a Korean War-era locomotive riddled with over 1,000 bullet holes), the Third Infiltration Tunnel dug by North Korea and discovered in 1978, and Dora Observatory, where binoculars look across the DMZ at the Kijong-dong propaganda village.

Two licensed operators run the hop-on hop-off circuits that string Seoul’s spread-out landmarks into one ticket, and both start from different sides of the old city. Tiger Bus (Seoul City Tour Bus) Tiger Bus departs from the Koreana Hotel ticket booth near Gwanghwamun. Its Downtown Palace Namsan course runs a loop through Gyeongbokgung, Changdeokgung, Insadong, DDP, Myeongdong, and N Seoul Tower for 24,000 won adult, hop-on hop-off all day. The separate Night View course is a non-stop 90-minute evening run across the Han River bridges to see N Seoul Tower and the Banpo fountain lit up, for 20,000 won; it does not run Mondays.

Rent a hanbok before you go near a palace gate and the whole day changes: instead of paying admission, you walk straight through in traditional dress and everyone else in line pays. That single choice sets the tone for how Seoul’s day-to-day activities work, less about ticking off landmarks and more about picking the right way to move through the city. Hanbok and the palace grounds Rental shops cluster around Anguk Station, Gwanghwamun, and Bukchon, charging roughly 15,000 to 25,000 won for a basic outfit over two to four hours, or 30,000 to 45,000 won for a themed set with hair styling.

Seoul in 2 days is the palace, Bukchon, Myeongdong, Namsan core, not a DMZ run or an Everland detour bolted on for the sake of it, and it holds up on roughly KRW 60,000-100,000 a day if you’re not shopping hard. Day 1 stays in the historic north: Gyeongbokgung in a rented hanbok (free palace entry, a real perk, not a gimmick) and Bukchon’s hanok alleys. Day 2 is Myeongdong street food into an N Seoul Tower sunset.

Seoul is South Korea’s capital, priced in won (KRW), not yen and not yuan, and it runs on a T-money transit card, not Google Maps, which barely works here for walking directions. Most US, UK, EU, Canadian, Australian and Japanese passports currently skip the K-ETA entirely under a waiver running through 31 December 2026, so check k-eta.go.kr rather than trusting old visa copy. Three days is the honest minimum for the palace-and-Myeongdong core plus a real second act: this plan stays entirely inside the city, no DMZ day trip bolted on to pad the page count.

Four days in Seoul is enough to get past the palace-and-Myeongdong postcard and actually live in a few neighborhoods: Hongdae’s noise, Gangnam’s glass towers and the Starfield Library, Dongdaemun’s overnight markets, a jjimjilbang night, and real food time instead of snacks squeezed between sights. Everything here stays inside the city; the DMZ, Nami Island and other day trips are a different itinerary’s job, covered on the Seoul and South Korea side of this site.

Seoul is the capital of South Korea, a city of roughly 9.6 million people on the Han River where centuries-old Joseon palaces sit a few subway stops from some of Asia’s densest, most advanced infrastructure. Pay in Korean won, load a T-money card on day one, and put Naver Map or KakaoMap on your phone before you land, because Google Maps still will not route you on foot here. Most travelers from the US, UK, Canada, Australia and much of the EU can currently skip the K-ETA outright through 2026.

Seoul is the capital of South Korea, not North Korea, and six days here covers the city in real depth without doubling back on a neighborhood: three of the five grand palaces, Hongdae’s noise, Gangnam’s polish, Dongdaemun’s night markets, Seongsu’s converted warehouses, and a proper chimaek evening on the Han River. Load a T-money card on day one and pay in won, not yen or dollars. Google Maps still cannot give you a working walking route here, so put Naver Map or KakaoMap on your phone before you land.

Seven days in Seoul does not need a single day trip to feel complete. Skip the DMZ pack tour and the Everland shuttle this time (that is the job of our seoul-south-korea itinerary ) and spend the whole week in the capital instead, covering all five grand palaces, six genuinely different neighborhoods, and one full jjimjilbang evening without repeating a single district. Load Naver Map or KakaoMap before you land, because Google Maps still will not route you on foot here, buy a T-money card at the airport, and check whether your passport actually needs a K-ETA before you book the flight.

Seoul is South Korea’s capital on the Han River, and three practical facts matter more than any sight on this list: the currency is the won (KRW), not yen or yuan; Google Maps is functionally broken here for walking and transit directions, so put Naver Map or KakaoMap on your phone before you land; and most major passports, including the US, UK, Canada, Australia, NZ and Japan, currently need nothing but a passport to enter, a K-ETA waiver that runs through 31 December 2026.