The main objectives of this research were: i) to study the participation level of Sangha Administrators on conservation of archeological sites in

 Ayutthaya province, ii) to compare the participation level of Sangha Administrators on conservation of archeological sites, classified by personal factors, and  iii) to study problems and suggestions of Sangha Administrators’ participation on conservation of archeological sites in

Ayutthaya province. The survey research was carried out in this study. The sample of this study comprised 101 Sangha Administrators in Pranakorn Sri Ayutthaya District, Ayutthaya province. The instrument used for data collection was a questionnaire with a reliability value equal to 0.936. The statistic used for data analysis were frequency, percentage, means, standard deviation and F-test (one-way analysis of variance). To test the significance of different means pairs, the Least Significant Difference was employed.

The findings were concluded as follows:

1. The overall participation levels of Sangha Administrators on conservation of archeological sites in Ayutthaya province  were found at the moderate level (= 3.45). When having considered in each aspect, it was noted that the participation levels on conservation of archeological sites according to the discovering causes of problems and suggestions were found at the moderate levels. While the participation in work and the participation in management, evaluation and conservation were ranked at the high level.

2. The result of comparison of the participation level of Sangha Administrators on conservation of archeological sites in Ayutthaya province, classified by personal factors, revealed that: Sangha administrators with different age, years of ordination, levels of general education, levels of Dhamma studies and periods of residing in temple were found no statistically significant differences. While Sangha administrators with different administrative positions and levels of Pali studies were noted  statistically significant difference at the 0.05 level.

3. The problems and suggestions of Sangha administrators on conservation of archeological sites in  Ayutthaya province were as follows:

1) To discover causes of problems: Problems were that the archeological sites were overlapping with municipal areas and people intrude into archeological sites. The suggestions are to separate archeological sites and make a law to forbid people intruding into archeological sites.

2) To propose the suggestions: Problems were that authorities partially destroy  archeological sites. The suggestions are to determine intense legal punishment for corrupted authorities.

3) To participate in work: Problems were that  lacks of knowledge about conservation of archeological sites and no coordination from offices. The suggestions are to find archaeologists to restore them and offices had to coordinate regularly with temples.

4) To participate in management, evaluation and preserving: Problems were that there was less support from offices, lack of technical knowledge and clear policy on conservation of archeological sites. The suggestions are that government has to support budgets all over and offices have clear policy on conservation of archeological sites.