Top 18 Castles in Japan
This curated ranking covers the 18 largest castles in Japan, ordered by estimated audience size from Rascasse's anonymized search-behavior signals. Himeji Castle, Conwy Castle and Heidelberg Castle lead the list with a combined estimated audience of 101,725 people. Across all 18 entries the average audience size is 7,748, and the largest, Himeji Castle, reaches around 91,083 people in Japan. Audience size is the estimated number of unique people in Japan who actively engage with each castle, derived from search demand signals. Rankings reflect search-behavior signals collected across Japan and are refreshed weekly.
Ranking
| Rank | Name | Audience size | Country share | Subtype | Category |
|---|---|---|---|---|---|
| 1 |  Himeji Castle |
91,083 | 13.0% | Castle | Travel & Leisure |
| 2 |  Conwy Castle |
5,555 | 2.6% | Castle | Travel & Leisure |
| 3 |  Heidelberg Castle |
5,087 | 1.3% | Castle | Travel & Leisure |
| 4 |  Mysore Palace |
5,051 | 3.3% | Castle | Travel & Leisure |
| 5 |  Dublin Castle |
4,990 | 0.7% | Castle | Travel & Leisure |
| 6 |  Leeds Castle |
4,469 | 1.6% | Castle | Travel & Leisure |
| 7 |  Cardiff Castle |
4,164 | 1.4% | Castle | Travel & Leisure |
| 8 |  Dover Castle |
3,866 | 1.2% | Castle | Travel & Leisure |
| 9 |  Heidelberger Schloss |
3,793 | 0.2% | Castle | Arts & Culture |
| 10 |  Tintagel Castle |
3,114 | 0.2% | Castle | Travel & Leisure |
| 11 |  Château de Chillon |
2,121 | 2.4% | Castle | Travel & Leisure |
| 12 |  Belvoir Castle |
1,932 | 0.3% | Castle | Travel & Leisure |
| 13 |  Kenilworth Castle |
1,241 | 0.3% | Castle | Travel & Leisure |
| 14 |  Rochester Castle |
1,134 | 0.3% | Castle | Travel & Leisure |
| 15 |  Miramare Castle |
681 | 0.1% | Castle | Travel & Leisure |
| 16 |  Colchester Castle |
566 | 0.2% | Castle | Travel & Leisure |
| 17 |  Bolsover Castle |
432 | 0.1% | Castle | Travel & Leisure |
| 18 |  Ujazdów Castle |
202 | 0.4% | Castle | Travel & Leisure |
Frequently asked questions
How is this Top 18 list compiled?
Rascasse aggregates anonymized search-behavior signals across Japan and ranks each castle by its estimated audience size. Only entries with at least 5 measured entities are listed.
How often is the list updated?
The ranking is refreshed weekly from the latest search-behavior data and re-published as a static page.
What is the largest castle in Japan?
Himeji Castle currently leads with an estimated audience of 91,083 people in Japan.
Methodology
Audience sizes are estimated from anonymized search-behavior signals across Japan. Lists below 5 entries are not published. See methodology for full details.