There are special situations where the regulations set are so stringent so as to discourage the adoption of drones altogether.
Here are the top 16 countries where drones are banned altogether. I have also listed their contact so you can inquire to see if the situation has changed.
1.Barbados
Barbados Civil Aviation Department, BCAD
Contact: civilav@caribsurf.com
Phone +1 246 535-0001
2.Algeria
Directorate of Civil Aviation and Meteorology of Algeria, DACM
Contact: dg@egsa-alger.dz
Phone +213 2 74 06 99
3.Cote d’Ivoire
National Authority of Civil Aviation, ANAC
Contact: anacsvat@anac.ci
Phone +225 21 58 69 00
4.Senegal
Senegal National Agency of Civil Aviation (ANAC)
Contact: anacim@anacim.sn
Phone +221 33 865 60 00
5.Syria
Syrian Civil Aviation Authority, SCAA
Contact :
Phone: 963 11 333381
6.Iraq
Iraq Civil Aviation Authority, ICAA
Contact: dg@iraqcaa.com
Phone +964 1 813 3370
Here's my more detailed cover on the drone laws in Iraq.
7.Iran
Civil Aviation Organization of Iran, CAOI
Contact: info@cao.ir
Phone +98 21 603 6341
8.Kenya
The Kenya Civil Aviation Authority, KCAA
Contact: dca@insightkenya.com
Phone: +254 20 824 4722
9.Kuwait
The Kuwaiti Directorate General of Civil Aviation, DGCA
Contact: dg@dgca.gov.kw
10.Kyrgyzstan
Civil Aviation Authority of Kyrgyzstan, CAA
Contact: mail@caa.kg
Phone +996 312251619
11.Morocco
Morocco Directorate of Civil Aviation, DCA
Phone +212 3 773 242
12.Madagascar
Civilian Aviation Directorate of Madagascar, CAD
Contact: acm@acm.mg
Phone +261 20 222 2438
13.Nicaragua
Nicaraguan Institute of Civil Aeronautics, INAC
Contact : divulgacion@inac.gob.ni
Phone +505 2276 8580
14.Uzbekistan
Uzbekistan Civil Aviation Administration, UZCAA
Contact: uab@uzcaa.uz
Phone +998 71 133 2313
15.Cuba
Civil Aviation Institute of Cuba, IACC
Contact: webmaster@iacc.gov.cu
Phone: +53 537 834-4949
16.Brunei
Brunei Department Of Civil Aviation, DCA
Contact: info.dca@civil-aviation.gov.bn
Phone: +673 7292187