Pengkalan Hulu
Pengkalan Hulu (Jawi: ڤڠكالن هولو; ), formerly known as Kroh or Keroh, is a town and a mukim in Hulu Perak District, Perak, Malaysia, bordering Thailand and Kedah. The nearest town on the Thailand side is Betong in Yala province. Although described as a border town, Pengkalan Hulu is 7 km from the actual Malaysia-Thailand border which is located at Bukit Berapit, where the Malaysian customs, immigration and quarantine station is located. The town is served by both Federal Route 76, which connects it to Gerik and Kuala Kangsar to the south and Baling in Kedah to the  north, and Federal Route 77 which goes in a northeasterly direction to Bukit Berapit and onward to Betong. It is located at a height of 380 m above sea level. Demographics. Languages spoken here include Malay, Chinese, Tamil, and Thai. The main religions are Islam, Buddhism, Hinduism, and Christianity.. The population is largely Malay, with significant Chinese and Indian segments. Government and politics. Pengkalan Hulu is also an autonomous sub-district ("daerah kecil"), consisting of the mukims of Pengkalan Hulu and nearby Belukar Semang. In the Malaysian Parliament, Pengkalan Hulu is part of the Gerik parliamentary constituency.