The first meeting of this organisation took place in April 2006 and its second meeting has just finished in Coimbra. See
http://www.uc.pt/whpo

I noted this comment "While Portuguese speakers around the world number today 200 million people, the World Heritage List established by UNESCO boasts, alongside with 13 properties located in Portugal, other 21 of Portuguese origin to be found in fifteen countries in three continents."

For "historical reasons" we don't have a Connection for "Built or Owned by Portuguese" [/i (though we do for 10 other nationalities!). Instead we have [i]"Portuguese Forts" which predated the "built or owned by idea. This is located under "Objects and Buildings" - but only has 14 entries. Of course neither "Built or Owned by.. " nor "Castles" are exactly the same as "of Portuguese Origin"

I wonder which 21 WHS in 15 countries outside Portugal the WHPO considers to be of "Portuguese Origin"? The following 23 countries registered as participants for the latest jamboree -
Angola, Argentina, Brazil, Benin, Cape Verde, China (Macau), Spain, Gambia, Ghana,
Guinea-Bissau, India, Morocco, Mexico, Mozambique, Paraguay, Kenya, São Tomé e Príncipe, Senegal, Sri Lanka, Tanzania, East-Timor, Uruguay
Of these - Angola, Guinea Bissau, Sao Tome and East Timor don't as yet have an inscribed site so the answer must lie within the other 19!! And the comment about them being in "3 Continents" implies that none of them can be in Spain since Asia, Africa and America must constitute the 3.

But our 14 Portuguese Forts includes Angra do Herismo (which is in the Azores and hence one of 13 "in Portugal" rather than one of the other 21)
We also have Qalat Al-Bahrain and Melaka whose countries were not represented in the 23 - but that wouldn't prevent them being within the 21 sites!
The Churches and Convents of Goa can easily be added
I guess that Portugal would consider Lamu to be of "Portuguese origin" too (and Kenya attended the meeting). The Portuguese were there from 1506- 168 but the nomination file doesn't mention any extant remains from that period - the Fort was certainly later.

So we had 14 forts - less Angra and plus Goa/Lamu. Still only 15 sites so far out of the 21.

I guess more Brazilian sites are part of the 21? Jesuit Missions f.e.

The list of sites seems to be here:

http://aa.uc.pt/aaprj/WHPO2006/patrimonio.html

But there are only 17 in the WHPO list
Jesuit Missions of Guaranis
Qalat Al-Bahrain
Ouro Preto
Cidade Velha
Macao
Fasil Ghebbi
James Island
Forts of Greater Accra
Goa
Melaka
Mazagan
Ilha do Mocambique
Missions (Paraguay)
Goree
Galle
Kilwa
Colonia del Sacramento

If we add from our "Portuguese Castles" list we get
Essaouria
Bahia
Brazilian Atlantic Islands
Making 20.

Presumably Diamantina should also be added as it was founded in the early 18th century - which would indeed make 21.

But what about all the other Brazilian "Portuguese" cultural sites - Sao Luis, Olinda, Sao Francisco Square, Goais, Congonhas. They take us up to 26

I hadn't realised that James Island had Portuguese remains - but neither it nor Goree actually had a Portuguese fort - only chapels etc.

The James Island inscription also has a "Built or Owned by French" Connection in the form of "The ruins of the French settlement at Albreda" (Nom File)

Actually Bahia, Sao Luis, Olinda, Congonhas, Goias and Diamantina are all on the WHPO list too. Nevertheless, this makes more than 21...

The Brazilian Atlantic Islands are only included on Natural Criteria, though, so even if they contain Portuguese remains, these would not be inscribed on the WHL.

Sorry - I had missed the "paging" down on the Brazilian entry on the WHPO site