Sirolo is a busy vacation destination. The meeting will be in early September so you should secure accommodation asap.
Hotel Sirolo
A modern 4 stars hotel, with swimming pool, located 1 minute walk from the conference location and from the center
It offers a 10% discout to participants (mention the astronomy conference)
https://hotel-sirolo.eu/
Villa Gigli
An eighteenth - century country villa located near the old historical center of Sirolo and in front of the Cortesi theatre. It will also host the coffee breaks
https://www.villagigli.it/en/
While we contact other hotels and B&B you can also check these websites.
Please check the location carefully
https://www.wonderfulmarche.com/sirolo-italy/
https://www.conerohotels.it/territorio/sirolo (in italian)
https://bed-and-breakfast.me/sirolo/ (best B&B)
https://www.visititaly.com/accommodation/sirolo.aspx
https://www.rivieradelconero.info/
PLEASE NOTE THAT WE. HAVE NOT MADE ANY AGREEMENT WITH TOURIST AGENCIES THEREFORE IF YOU RECEIVE EMAILS FROM SUCH ORGANIZATIONS OFFERING ACCOMMODATION THEY ARE SPAM