All major booking services offer accommodation in Moscow. Visa support letter is normally issued by the hotel once you confirmed you booking.
SPECIAL OFFERS & EXCLUSIVE BENEFITS FOR PARTICIPANTS AND VISITORS OF CLIMATE WORLD 2020
Marriott Novy Arbat 5*****
www.marriott.com/hotels/travel/mowna-moscow-marriott-hotel-novy-arbat/
Novy Arbat str, 32, Moscow
Stay period: from March 9 to March 14, 2020
Email to anikeeva@euroexpo.ru
Pentahotel Arbat 4****
15 Novy Arbat Avenue, Moscow
https://reservations.pentahotels.com/108144?identifier=CLIMAT2020
Email to sales.moscow@pentahotels.com
Promotion Code: CLIMAT2020
AZIMUT Hotel Smolenskaya Moscow 4****
Smolenskaya street, 8, Moscow
https://azimuthotels.com/Russia/azimut-hotel-smolenskaya-moscow/
Email to moscow.smolenskaya@azimuthotels.com
Promotion Code: CLIMAT2020
MAXIMA HOTELS
https://www.maximahotels.ru
Email to booking@maximahotels.ru
Promotion Code: CLIMAT2020
Katerina City 4****
Shluzovaya embankment, 6, Moscow
http://katerinahotels.com/
Email to reservations.city@katerinahotels.com
Promotion Code: MIR KLIMATA