Kalba is a city situated in the Emirate of Sharjah within the United Arab Emirates. It serves as an exclave of Sharjah, geographically separated from the rest of the emirate's territory.
The city is located on the coast of the Gulf of Oman, positioned to the north of the Omani border. A notable geographical feature near the town is Khor Kalba, which is situated to the south by the border and serves as an important mangrove swamp and nature reserve.