Yemen is located in the southern part of the Arabian Peninsula. It is slightly larger than twice the size of the state of Wyoming with a total area of 527,970 sq km (203,850 sq mi). Yemen shares boundaries with Sa'udi Arabia on the N, Oman on the E, Gulf of Aden on the S, and the Red Sea on the W, and has a total land boundary length of 1,746 km (1,085 mi) plus a coastline of 1,906 km (1,184 mi).