Lak

Lak is a term that can refer to several distinct topics, including a numerical unit in the South Asian counting system, a language and ethnic group of the Caucasus region, a personal name, and various place names.

As a numeral, lak or lakh denotes 100,000. It is used in India, Pakistan, Bangladesh, Nepal, and Sri Lanka for counting people, money, and statistics. The term traces to older Sanskrit laksha meaning hundred thousand, and has been carried into regional languages through historical trade and administration; spellings vary as lakh, lac, or lak.

The Lak people and the Lak language are located in Dagestan, Russia. The Lak language is part of the Northeast Caucasian language family, and the Lak people have a distinct cultural and historical presence within the region.

Lak is also found as a surname or given name in some communities, and may appear in various multi-name forms. The usage and distribution of the name are diverse and not tied to a single country or culture.

There are places named Lak or containing the element "Lak" in their names across different countries, reflecting its function as a common toponymic element in multiple languages and regions.