{{Infobox river | name = Buy River | image = | image_size = | image_alt = | image_caption = | map = Kama basin.png | map_size = 200 | map_alt = | map_caption = Map of the Kama River basin {{inlang|ru}} | source1_location = Kuyedinsky District | mouth = Kama | subdivision_type1 = Country | subdivision_name1 = Russia | progression = {{RKama}} | length = {{convert|228|km|mi|abbr=on}} | source1_elevation = | mouth_coordinates = {{coord|56.2064|N|54.1911|E|source:kolossus-viwiki|display=it}} | discharge1_avg = | basin_size = {{convert|6,530|km2|sqmi|abbr=on}} | river_system = | tributaries_left = | tributaries_right = }} The '''Buy''' ({{langx|ru|Буй}}; {{langx|ba|Беүә}}, ''Bewä'') is a river in Perm Krai, the Republic of Bashkortostan and the Republic of Udmurtia, Russia. It is a left tributary of the Kama.<ref>[http://enc.permculture.ru/showObject.do?object=1803756449 Buy in encyclopedia of Perm Krai]</ref> It is {{convert|228|km|mi}} long, with a drainage basin of {{convert|6530|km2|mi2}}.<ref name=gvr>[http://textual.ru/gvr/index.php?card=181576 «Река БУЙ»], Russian State Water Registry</ref>
It starts in the south of Perm Krai, in the Kuyedinsky District. Then, it flows through northwestern Bashkortostan and into the Kama River within the Udmurt Republic, to the south of the town of Kambarka.
'''Main tributaries:''' *Left: {{ill|Arey (river)|ru|Арей (приток Буя)|ba|Әри (йылға)|lt=Arey (Äri)}}, {{ill|Amzya (river)|ru|Амзя (река)|ba|Әмзә (йылға)|lt=Amzya (Ämzä)}} *Right: {{ill|Oshya (river)|ru|Ошья (приток Буя)|ba|Ошья (Беүә ҡушылдығы)|lt=Oshya (Uş’â)}}, Piz
== References == {{Reflist}}
{{Portal bar|Russia}}
Category:Rivers of Perm Krai Category:Rivers of Bashkortostan Category:Rivers of Udmurtia
{{Udmurtia-geo-stub}} {{Bashkortostan-geo-stub}} {{PermKrai-river-stub}} {{Kuyedinsky-geo-stub}}