Takht Bhai is a Buddhist monastic complex dating to the 1st century BCE. The complex is regarded by archaeologists as being particularly representative of the architecture of Buddhist monastic centers from its era. It was listed as a UNESCO World Heritage Site in 1980.

The word Takht Bhai (Urdu: تخت بھائی) may have different explanations. In Sanskrit, takht means "well" and bhai means "on a high surface", so the whole word means "well on a high surface".
In Persian

Persian language

Persian is an Iranian language within the Indo-Iranian branch of the Indo-European languages. It is primarily spoken in Iran, Afghanistan, Tajikistan and countries which historically came under Persian influence...

, takht means "throne".
The ruins are located about 15 kilometers from Mardan

Mardan

Mardan , known as The city of hospitality, is a city and headquarters of Mardan District in Khyber Pakhtunkhwa Province, Pakistan. It is the de facto headquarters of the Yousafzai tribe and the second most populous city in the province, located at 34°12'0N 72°1'60E and an altitude of in the south...

 in Pakistan

Pakistan

Pakistan , officially the Islamic Republic of Pakistan is a sovereign state in South Asia. It has a coastline along the Arabian Sea and the Gulf of Oman in the south and is bordered by Afghanistan and Iran in the west, India in the east and China in the far northeast. In the north, Tajikistan...

's Khyber-Pakhtunkhwa  Province.