<p>Hotels: the sampling frame is the index of tourism hotels, index managed by Insee.<br />
The stratification criteria of the national sample are:<br />
- the geographical axis (regions, national tourist areas (ETN));<br />
- hotel category (1 to 5 stars or unclassified);<br />
- the type of hotel (chain or independent).<br />
Within the strata, the draw is random.<br />
Campings: the sampling frame is the file of establishments offering at least one location, file managed by Insee.<br />
In small regions, the survey is comprehensive. For other regions, the stratification criteria of the sample are:<br />
- the geographical axis (national tourist areas (ETN));<br />
- the category of camping (1 to 5 stars, not classified);<br />
- the size in number of locations.<br />
Inside the strata, the draw is random.<br />
Other collective tourist accommodations : the sampling frame is the file of other collective accommodation, file managed by Insee. The stratification criteria of the national sample are:<br />
- the geographical axis (regions, national tourist areas (ETN));<br />
- the type of establishment.<br />
Within the strata, the draw is random.</p>
