Pekalongan, city in southern Indonesia, on the island of Java, in Central Java Province, on the Java Sea. A fort here dates from 1753. The city is one of the chief ports of central Java, and sugar is a leading product shipped from here. Rice, tea, and rubber are grown in the surrounding area. Pekalongan is noted for batik production. Located in the city are sugar and textile mills and tobacco-processing plants. Population (1997) 342,715.
