Xigatse prefecture (日喀则地区; Rìkāzé Dìqū) is in Central Tibet. It has numerous places of interest for tourists, and has good public transportation by Tibetan standards.
Lhatse - a minor town with little tourist interest, but important as a transportation hub as it is final destination for all public transportation in the direction of Mount Kailash and Nepal. There are a few guest houses and several shops.
Tingri - the closest town on the "highway" to Nepal and Mount Everest. It offers a wide, but simple choice of accommodation and is a good place to view Mount Everest. With camping equipment, it's also possible to trek to Everest back camp - a journey of about four days.
Nyalam Pelgyeling Monastery, 10 km north of the village of Nyalam. A monastery built around a cave where the enlightened yogi Milarepa (1040-1123) and his disciple Rechungpa spent many years in meditation.