The Lohara dynasty was a dynasty that ruled over Kashmir and surrounding regions in the northwestern part of the Indian subcontinent between 1003 CE and approximately 1320 CE. The early history of the dynasty was described in the Rajatarangini (Chronicle of Kings), a work written by Kalhana in the mid-12th century, upon which many studies of the first 150 years of the dynasty depend. Subsequent accounts which provide information up to and beyond the end of the dynasty come from Jonarāja and Śrīvara. The later rulers of the dynasty were perceived as weak. Internal conflicts and instances of corruption were prevalent during this era, occasionally interrupted by short periods of stability. These factors contributed to the dynasty's susceptibility to the expansion of Islamic conquests in the region.