Two rail lines meet at the junction, beside a mall where each floor is dressed as a different city
BTS Asok station and MRT Sukhumvit station meet at the Asok intersection, and Terminal 21 mall connects both stations with a skywalk. Each floor of the mall is designed like a different city—Rome, Paris, Tokyo, London, Istanbul, and San Francisco. The "21" in the mall's name comes from Soi Sukhumvit 21 at the intersection, also known as Asok Montri Road. Asok sits in Watthana district, which has lots of apartments and hotels where expats from many countries live. Japanese expats tend to favor the area east of Soi 21. Across the main road, Soi 12 is mostly home to Indian expats, and right at the mouth of the soi you'll find a few Korean restaurants and grocery stores.
Head north along Asok Montri Road and you'll find the Siam Society, which studies Thai art and history. The grounds include a library and an ethnology museum. The museum building itself is a mid-19th-century stilted teak house, originally built in Chiang Mai, raised on 36 octagonal teak columns. The Society also regularly hosts lectures, field trips, and music performances. Head east into Soi 23, and at the end of the soi you'll find the main campus of Srinakharinwirot University. The university's affiliated demonstration school offers international programs from elementary through secondary school. Back at the intersection, this spot ranks 4th out of Bangkok's 16 neighborhoods for everyday shopping—just get off the train and walk the skywalk straight into the mall.
Based on our street photos, this area ranks 12th out of Bangkok's 16 neighborhoods for street greenery. If you're looking for a big park, Exit 4 from the BTS station takes you to Benjakitti Park just outside the neighborhood, which has a lake, bike paths, and jogging trails. This stretch of Sukhumvit Road gets heavy traffic even late at night or early morning. Between Soi 21 and Soi 23, Soi Cowboy is a roughly 150-meter bar street geared mainly toward tourists and expats.
The Siam Society was founded in 1904 at a gathering. In 1927, Si Krung Film Studio was established on the very site where the station stands today, producing Thailand's first sound film before shutting down during World War II. Sukhumvit Road opened in 1936, named after the fifth director-general of the Highways Department. BTS Asok station opened in December 1999. Terminal 21 opened at the intersection in October 2011.
Compared with the 16 Bangkok neighborhoods in this guide (scores 0–10)
HA-accredited hospitals (excluding specialist institutes such as psychiatric and infectious-disease hospitals), schools and universities within 1 km (only those with an English name on OpenStreetMap; Bangkok publishes no school catchments), stations, and parks of 1 ha or more.
183 blocks · Curated boundary · Data version 2026-10-12
Compared against the Bangkok neighborhoods in this guide; metrics without enough data are not ranked. Shopping counts convenience stores plus the nearer of a supermarket or a traditional market (public and private retail markets); night markets, vendor zones and shopping-street shops are not counted. Transit is rail-first with a lower weight for buses.
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