As each region has its own traditional pattern, batiks are commonly distinguished by the region they originated in, such as batik Solo, batik Pekalongan, and batik Madura. Batiks from Java can be distinguished by their general pattern and colours into batik pedalaman (inland batik) or batik pesisir (coastal batik). Batiks which do not fall neatly into one of these two categories are only referred to by their region. A mapping of batik designs from all places in Indonesia depicts the similarities and reflects cultural assimilation within batik designs.