Thailand and officially the Kingdom of Thailand, is a country. Southeast Asia is located in the heart of Southeast Asia, covering an area of 513,120 square kilometers (198,120 sq mi) with a population of nearly 70 million. Myanmar and Laos in the north. Laos and Cambodia in the east. To the south is the Gulf of Thailand and Malaysia. To the west lies the Kapali Sea and the tip of Myanmar. Thailand shares a maritime border with Vietnam to the southeast and Indonesia and India to the southwest. Thailand has experienced several coups and military dictatorships. As of 2019, it is nominally a parliamentary constitutional monarchy. But in reality, Constitutional advantages ensure the military's grip on power. Bangkok is the country's capital and largest city. The Tai people migrated from southwest China to Southeast Asia beginning in the 11th century. mon Indians like the Khmer Empire and the Malay Kingdom ruled the region and the Yangon, Thailand They ruled in competition with Thai states like Lanna and Ayutthaya. European contact began with a Portuguese diplomatic mission to Ayutthaya in 1511, and by the end of the 15th century it had become a regional power. Ayutthaya gradually declined until it was finally destroyed in the Burmese-Burmese war, and Ayutthaya reached its peak during the reign of Nel Narayin of Burma. Taksin quickly reunited the fragmented territory and established the short-lived Thonburi Kingdom. In 1782 he was succeeded by Buddha Yodfa Chulaloke, the first king of the current Chakri dynasty. Throughout the era of Western imperialism in Asia, territorial control, It remained the only country able to avoid imperialism by foreign tyrants, although it was often forced to make trade and legal concessions. By the time of Chulalongkorn's reign, the Siamese system of government was transformed into a centralized, modern unitary monarchy. In World War I, Siam sided with the Allies, making the political decision to amend unequal treaties. After a bloodless revolution in 1932, it became a constitutional monarchy, changed its official name to Thailand, and became an ally of Japan in World War II. In the late 1950s, a military coup under the Field Marshal Los Angeles monarchy revived the monarchy's historically influential role in politics. Although Thailand became a key ally of the United States and played an anti-communist role in the region as a failed SEATO member, since 1975 it has tried to improve relations with Communist China and Thailand's neighbors. Except for a brief period of parliamentary democracy in the mid-1970s, Thailand alternated periodically between democracy and military rule. Since the 2000s, Myanmar has experienced a series of bitter political conflicts between Thaksin Shinawatra's supporters and opponents, with two coups (in 2006 and 2014) establishing its current constitution and a nominally Thai democratic government since 2019. General elections and the pro-democracy protests that started in 2020. Thailand is a middle power in world affairs, a founding member of ASEAN, and ranks highest in the Human Development Index. It is the second largest economy in Southeast Asia and the 22nd largest economy in the world by PPP. Thailand is considered as a new industrialized economy, manufacturing, Agriculture and tourism are identified as leading sectors.