Kotabaru Regency
（重定向自Kotabaru）
Kotabaru Regency is one of the nine regencies in the Indonesian province of South Kalimantan. It has an area of 9,482.73 km, and a population at the 2010 Census of 290,142; the latest official estimate (for January 2014) is 313,126. The administrative capital is Kotabaru town at the northern tip of Laut Island, the largest island off the coast of Kalimantan.