The study of a national Web graph is challenging and can provide insight into social phenomena specific to a country. However, because there is no country border in the Web, deciding whether a web page belongs to that country or not is difficult. In this paper we aim at studying the characteristics of the Thai Web graph. We first address the challenge of gathering Thailand-related web pages from the borderless Web by proposing a set of criteria for defining Thailand-related web pages. Three Thai web snapshots have been collected during July 2004