Question: What is known as the Kingdom and the National Route 13 stretches towards the border?

Related documents: [0]  [DOC] Cambodia ( ; Khmer: កម្ពុជា , or Kampuchea ] ), officially known as the Kingdom of Cambodia (Khmer: ព្រះរាជាណាចក្រកម្ពុជា , "Preăh Réachéanachâk Kâmpŭchéa", ] ), is a country located in the southern portion of the Indochina Peninsula in Southeast Asia. It is 181035 km2 in area, bordered by Thailand to the northwest, Laos to the northeast, Vietnam to the east, and the Gulf of Thailand to the southwest. [END] 
[1]  [DOC] National Route 13 (Vietnamese: "Quốc lộ 13" ) is a highway in southern Vietnam stretching from the northeastern outskirts of Ho Chi Minh City, the commercial centre of the country, towards the border to Cambodia. The highway starts around Thủ Đức on the northern outskirts of Ho Chi Minh City, once the site of the military academy of the Army of the Republic of Vietnam, and travels north through the provinces of Bình Dương and Bình Phước. The highway passes through the districts of Thuận An, Thủ Dầu Một town, Bến Cát, Chơn Thành, Đồng Phú, Bình Long, and Lộc Ninh. [END]  
Answer: Cambodia
Cambodia