Head of sarwan Raisanis and the head (nawab) is Nawab Aslam Raisani Sarwan is bigger than jalawan(This article is about the division of Kalat State. For the town in Iran, see Sarawan, Iran. For the title, see Saravan (title).) Sarawan was a division of the former princely state of Kalat in Baluchistan, Pakistan, with an area 4,339 square miles (11,240 km2). To the north were Quetta, Pishin, Bolan Pass and Sibi District. On the south was the minor state of Jhalawan. The main mountain ranges are Nagau, Bhaur, Zamuri hills, Bangulzai hills with the peaks of Moro, Dilband and Harboi.