Perlis, (Kedah Malay (Perlis dialect): Peghelih), also known by its honorific title Perlis Indera Kayangan, is the smallest and northernmost state in Malaysia by area and population. Located on the northwest coast of Peninsular Malaysia, it borders the Thai provinces of Satun and Songkhla to the north and the Malaysian state of Kedah to the south. It was called Palit (Thai: ปะลิส) by the Siamese when it was under their influence. Perlis had a population of 227,025 as of the 2010 census.

The capital of Perlis is Kangar, and the royal capital is Arau. Another important town is Padang Besar, at the Malaysia–Thailand border and Kuala Perlis, the ferry town to Langkawi. The main port and ferry terminal is at the small village of Kuala Perlis, linking mostly to Langkawi Island. Another important lately developed area is Pauh Putra within subdistrict of Kurong Anai which houses the main campus of Malaysia University of Perlis and Politeknik Tuanku Syed Sirajuddin. Perlis has a famous snake farm and research centre at Sungai Batu Pahat. Perlis State Park and Gua Kelam are among the popular tourist attractions.