Zhè liǎng gè shěng jiērǎng de dìfang yǒu yìtiáo dàhé.
Where these two provinces border each other, there is a great river.
Tips
usage
接壤 specifically describes territories sharing a land border. The character 壤 means 'soil/land', so 接壤 literally is 'connected soil'. For people or things touching, use 接触 (jiēchù); for adjacent rooms or buildings, use 相邻 (xiānglín).
