Wikivoyage:
https://en.wikivoyge.org/wiki/Wikimania_2018_Cape_Town_Guidebook
has a page with advice for Wikimania attendees. It's a good start, but
needs more local knowledge. Please help to improve the page if you can
For instance, South Africa uses both "Europlug" and "type D" power
sockets - but which is most prevalent at the city's hotels, and the
conference venue?
--
Andy Mabbett
@pigsonthewing
http://pigsonthewing.org.uk