This document provides information about Turkey, including its geography, population, and major cities. It notes that Turkey has a land area of 814,000 square km and a population of around 70 million people. It identifies Ankara as the capital city and Istanbul as the most populous city. It also mentions Antalya as an important tourism center. The document focuses on the Southeastern region of Turkey, listing several geographical and historical sites in that area, and notes that 212,000 people live in Adıyaman. It invites the reader to visit Adıyaman.