The third-largest city in Mongolia is 60 km to the southwest of what monastery?
Erdenet Erdenet (Mongolian: Эрдэнэт , literally "with treasure") is the third-largest city in Mongolia and the capital of the aimag (province) of Orkhon. Officially known as Bayan-Öndör sum. Located in the northern part of the country, it lies in a valley between the Selenge and Orkhon rivers about 150 mi (as the bird flies) northwest of Ulaanbaatar, the capital. The road length between Ulaanbaatar and Erdenet is about 230 mi .
Mar Mattai monastery Dayro d-Mor Mattai (Syriac: ܕܝܪܐ ܕܡܪܝ ܡܬܝ‎ ;"The Monastery of St. Matthew", Arabic,دير مار متى) is located atop Mount Alfaf in northern Iraq and is 20 kilometers from Mosul. It is recognized as one of the oldest Christian monasteries in existence and is famous for its magnificent library and considerable collection of Syriac Christian manuscripts. It is also the center of an Archbishopric, with Bishop Mor Timothius Mousa A. Shamani serving.