Summary: James M. Campbell expresses special acknowledgments to various contributors for their detailed accounts of hill forts, information regarding places of interest, and valuable contributions to the Maharashtra State Gazetteers. The Kolaba district, stretching from Bombay harbor to the Mababaleshvar hills, is described as a ragged belt of country with diverse landscapes. The areas along the rivers are fertile and well-populated, with palm gardens and lush vegetation. The natural drainage divides the district into three parts, each with its own unique characteristics. The historical and geographical details of the Kolaba district, including population statistics, revenue data, and climatic information, are outlined. The text also delves into the administrative changes and agricultural practices in Kolaba. Furthermore, it highlights the educational landscape and cultural diversity in the region, shedding light on the religious demographics and educational institutions. Additionally, significant landmarks and archaeological sites in Kolaba, such as Buddhist caves and Musalman structures, are discussed, providing insight into the region's historical significance and cultural heritage.