Beruniy (; ; ) is a small city in the Karakalpakstan, Uzbekistan. It is located on the northern bank of the Amu Darya near Uzbekistan's border with Turkmenistan. The city is the seat of Beruniy District. Historically, Beruniy was known as Kath (Arabic/; modern ) and served as the capital of Khwarezm during the Afrighid dynasty. In 1957, it was renamed "Beruniy" in honor of the medieval scholar and polymath Al-Biruni who was born here. Beruniy received city status in 1962.