Table:
| Year Ended December 31, |  |  |
| --- | --- | --- |
|  | 2019 | 2018 |
| Asia Pacific |  |  |
| Travel | $6,274 | $7,351 |
| Local | 216 | 508 |
| Total Asia Pacific revenues | 6,490 | 7,859 |
| Europe |  |  |
| Travel | 32,081 | 30,856 |
| Local | 4,817 | 5,293 |
| Total Europe revenues | 36,898 | 36,149 |
| North America |  |  |
| Travel | 57,863 | 56,145 |
| Local | 10,161 | 11,169 |
| Total North America revenues | 68,024 | 67,314 |
| Consolidated |  |  |
| Travel | 96,218 | 94,352 |
| Local | 15,194 | 16,970 |
| Total revenues | $111,412 | 111,322 |
Paragraphs:
The following table sets forth the breakdown of revenues by category and segment. Travel revenue includes travel publications (Top 20, Website, Newsflash, Travelzoo Network), Getaway vouchers and hotel platform. Local revenue includes Local Deals vouchers and entertainment offers (vouchers and direct bookings) (in thousands).
Revenue by geography is based on the billing address of the advertiser. Long-lived assets attributed to the U.S. and international geographies are based upon the country in which the asset is located or owned.
Question:
What is revenue by geography based on?
Answer: billing address of the advertiser