Udyāna，又曰烏杖那，烏萇，鄔荼，烏孫，烏儞也曩等。國名。西域記二曰：「烏仗那國，唐言苑，昔輪王之苑囿也。舊云烏孫場，或曰烏茶，皆訛。北印度境。」開元錄六曰：「烏萇國，正音應云鄔荼。」慈恩傳二曰：「烏仗那，舊稱烏長，訛也。」梵語雜名曰：「烏儞也曩。」在北印度境，周五千餘里，山谷相屬，崇重佛法，敬信大乘。如來昔為哥利王，割截肢體，為尸毘王捨身於鷹等之遺迹皆在此國。見西域記三。即今之Yasefzay也。
udyāna, a park or garden; the park (of Aśoka); an 'ancient kingdom in the north-west of India, the country along the Śubhavastu; the Suastene of the Greeks, noted for its forests, flowers, and fruits'. Eitel. Also 烏杖那; 烏場; 烏萇; 烏孫; 烏儞也曩; 烏耆延那said to be the present Yūsufzai.
烏仗那 奘傳：唐言苑，昔阿輸迦王之苑囿也。舊曰烏場，或曰烏茶，皆訛也。北印度境。