The Yojin province (Ma4) was the easternmost province of Matsu lands extending in the Plains of Battle from the southernmost borders of Ken-ryu province (Ak6) to the northernmost borders of the Kaeru province (Ma7), from the easternnmost borders of Tonfajutsen province (Ma3), to the borders of the Crane territories. Notable location within the province was Shiro no Yojin (L15), a former Daidoji holding. The province was ripe and fertile, producing abundant food, and possessed a well-constructed network of outposts and defenses.