Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Historic City of Ayutthaya' has mentioned 'World Heritage' in the following places:
Occurrence Sentence Text Source
Historic City of AyutthayaUNESCO World Heritage SitePlan of Ayutthaya historical parkLocationAyutthaya, ThailandCriteriaCultural: iiiReference576Inscription1991 (15th session)Area289 haCoordinates14xc2xb020xe2x80xb252xe2x80xb3N 100xc2xb033xe2x80xb238xe2x80xb3Exefxbbxbf / xefxbbxbf14.34778xc2xb0N 100.56056xc2xb0Exefxbbxbf / 14.34778; 100.56056Location of Ayutthaya Historical Park in Thailand
Part of the park was declared a UNESCO World Heritage Site in 1991.
The total area of the World Heritage property is 289 ha.
The designated area of the World Heritage property, which is confined to the former Royal Palace precinct and its immediate surrounding and covers the most important sites and monuments and ensures the preservation of the propertyxe2x80x99s Outstanding Universal Value.
Initially it was intended to manage the remaining historic monuments through complementary planning and protection controls, however, present economic and social factors warrant an extension of the historical park to cover the whole of Ayutthaya Island for the protection of all associated ancient monuments and sites as well as to strengthen the integrity of the World Heritage property.
Extending the boundaries of the World Heritage property to include the whole of Ayutthaya Island will bring the boundaries of the property into exact conformity with those of the historic city.
An extension of the World Heritage property is under preparation which will cover the complete footprint of the city of Ayutthaya as it existed in the 18th century, when it was one of the worldxe2x80x99s largest urban areas.
This will bring other important ancient monuments, some of which are outside of the presently-inscribed area under the same protection and conservation management afforded to the current World heritage property.
With these changes, all new developments in the modern city of Ayutthaya will be directed to areas outside of the historic cityxe2x80x99s footprint and the inscribed World Heritage property.