Tsang
Tsang is a term that can refer to several distinct topics. In Tibetan geography, Tsang denotes a central part of historic Tibet, typically mentioned together with Ü as Ü-Tsang. This usage reflects the traditional division of Tibet into provincial regions and is encountered in historical texts and religious contexts describing central Tibetan culture and polity.
In onomastics, Tsang is a Cantonese romanization of several Chinese surnames, most commonly the surname Zhang (張/张)
Tsang also appears as a geographic name in various Chinese-speaking contexts, reflecting its role in toponymy