How many different Marriott properties have you stayed at?

I should be revising for an exam. But instead I decided to compile a list of all the Marriott properties I have stayed at. (Anything to use as an excuse to stay away from my books!)

So my list is below.

1. Renaissance Vienna, Austria
2. Marriott Cap D'Ail, France
3. Marriott Munich Airport, Germany
4. Marriott Stuttgart, Germany
5. Renaissance Karlsruhe, Germany
6. Renaissance Dusseldorf, Germany
7. Courtyard Dusseldorf Hafen, Germany
8. Marriott Budapest, Hungary
9. JW Marriott, Mumbai, India
10. Courtyard Amsterdam Airport, The Netherlands
11.Marriott Islamabad, Pakistan
12.Marriott Karachi, Pakistan
13.Marriott Warsaw, Poland
14.Marriott Lisbon, Portugal
15.Courtyard Coventry, UK
16.Courtyard Milton Keynes, UK
17.Marriott Edinburgh, UK
18.Marriot Dalmahoy, Edinburgh, UK
19.Marriott Glasgow, UK
20.Marriott Cardiff, UK
21.Marriott Chicago Michigan Avenue, IL, USA
22.Marriott Chicago O'Hare, IL, USA
23.Marriott Schaumburg, IL, USA
24.Courtyard Arlington Heights South, IL, USA
25.Courtyard Rockford, IL, USA
26.Marriott Tulsa, OK, USA

27. Ritz Carlton Doha, Qatar (not sure if this counts as a Marriott property?)