Halle (Saale) is a city in the German state of Saxony-Anhalt, situated on the river Saale. It is the capital of the district of Halle. With a population of approximately 230,000, Halle is the largest city in Saxony-Anhalt. The city of Halle has a long and rich history. It was first mentioned in a document in 806 AD as a market town. In the Middle Ages, Halle was an important center of trade and commerce. The city was also a center of the Protestant Reformation in the 16th century. Today, Halle is a modern city with a diverse economy. The city is home to a number of industrial companies, including the automotive supplier Continental AG and the chemical company BASF. Halle is also a center of education, with two universities and a number of colleges.