Northern Region is the top region by forest land area in Thailand. As of 2011, forest land area in Northern Region was 95,074.74 sq. km that accounts for 55.41% of Thailand's forest land area. The top 5 regions (others are Central Region, Northeastern Region, Southern Region, and Bangkok) account for 100.00% of it. Thailand's total forest land area was estimated at 171,585.65 sq. km in 2011.