kotamadya (municipality), Central Java (Jawa Tengah) (Jawa Tengah) propinsi (province), west-central Java, Indonesia. It is situated on the northern coastal plain. The city is the capital of Pekalongan regency, has a fort (1753) and a small harbour, and is the main distributing centre for the area, exporting tea, rubber, and sugar, which is locally refined. The city is also a major centre of batik production, with textiles forming an important cottage industry. Pekalongan regency was granted to the Dutch East India Company by the Susuhunan of Mataram. The fertile river valleys and coastal plain of the surrounding region produce sugar, rice, kapok, cinchona, indigo, and corn (maize). Pop. (2005) 269,177.