Thailand is located in the heart of mainland Southeast Asia, on the continent of Asia, sharing land borders with Myanmar, Laos, Cambodia, and Malaysia. Its capital is Bangkok, and the kingdom spans roughly 513,120 km², stretching from the mountainous north down a long, narrow peninsula to the tropical south.
Where Thailand Sits on the Map
Thailand lies entirely within the Northern and Eastern Hemispheres, roughly between 5°N and 21°N latitude and 97°E and 106°E longitude. This places the whole country within the tropics, just north of the Equator. To get your bearings, Thailand sits west of Vietnam and Cambodia, east of Myanmar, north of Malaysia, and south of China's Yunnan province. It is one of the eleven countries that make up Southeast Asia and a founding member of the ASEAN bloc.
The country has two distinct shapes on a map. The larger northern body is roughly compact, while the south tapers into the slender Kra Peninsula that connects to Malaysia. This gives Thailand coastlines on two separate bodies of water: the Andaman Sea to the west and the Gulf of Thailand to the south and east.
Countries That Border Thailand
Thailand shares land frontiers with four neighbours, and these borders have shaped its trade, migration, and cultural exchange for centuries:
- Myanmar – along the long, mountainous western and northwestern frontier.
- Laos – to the northeast, with much of the boundary following the Mekong River.
- Cambodia – to the southeast, including the historic temple region around Preah Vihear.
- Malaysia – to the far south, where the peninsula narrows before reaching the Malay states.
Because it sits at the crossroads of these nations, Thailand has long been a hub for overland routes between China, the Indian Ocean, and the Malay world. It is also notable as the only Southeast Asian country never colonised by a European power, a fact often linked to its position as a buffer state between British Burma and French Indochina.
The Four Regions and Their Landscapes
Geographers traditionally divide Thailand into four broad regions, each with a different character. Picturing them is the easiest way to understand the country's varied terrain.
- The North is highland country, home to forested mountains and Doi Inthanon, the highest peak at about 2,565 metres. Chiang Mai is its main city.
- The Northeast (Isan) is the broad Khorat Plateau, a dry, elevated region edged by the Mekong River and home to roughly a third of the population.
- The Central Plain is the fertile basin of the Chao Phraya River, sometimes called the "rice bowl" of Thailand. Bangkok sits near its southern edge where the river meets the Gulf.
- The South is the narrow peninsula, fringed by beaches, limestone islands, and the resort areas of Phuket and Krabi on the Andaman coast.
Bangkok and the Country's Core
Bangkok, known in Thai as Krung Thep, is the capital and by far the largest city. It lies in the lower Central Plain, only a short distance from the Gulf of Thailand, which makes it a major seaport as well as the political, financial, and cultural centre. The Chao Phraya River winds through the city and has historically been its lifeline for transport and trade. Thailand runs on Indochina Time (UTC+7), with no daylight saving.
Most international travellers arrive through Bangkok's Suvarnabhumi Airport before heading north to the cool highlands or south to the islands. Because the country is fairly large, climates differ noticeably from one end to the other, ranging from a cooler, more seasonal north to a wetter, more consistently tropical south governed by the monsoon.
People, Language, and Culture
Thailand is home to around 72 million people. The official language is Thai, written in its own distinctive script, and the dominant religion is Theravada Buddhism, which shapes festivals, architecture, and daily routines across the country. Glittering temples, or wat, are a defining feature of nearly every town, and the Grand Palace in Bangkok ranks among the nation's most visited landmarks. The country is a constitutional monarchy with a parliamentary system, and its currency is the Thai baht (THB).
For a fuller picture of the kingdom's history, regions, and travel highlights, see our thailand country guide.
Frequently Asked Questions
What continent is Thailand in?
Thailand is in Asia, specifically the Southeast Asian region of the continent. It lies on the mainland portion of Southeast Asia rather than the island archipelagos to its south and east.
What ocean is Thailand near?
Thailand has two coastlines: the Andaman Sea (part of the Indian Ocean) to the west and the Gulf of Thailand (part of the Pacific Ocean) to the south and east.
Which countries border Thailand?
Thailand shares land borders with four countries: Myanmar to the west, Laos to the northeast, Cambodia to the southeast, and Malaysia to the far south.
Is Thailand a large country?
At about 513,120 km², Thailand is a medium-to-large country, roughly the size of France or the U.S. state of California, and the 50th largest country in the world by area.