Conclusion

Greece and Bulgaria are two very different countries but yet right next to each other.  This combination of countries will be a great holiday for young travelers.

Accommodation

Aqua Luxury Suites Santorini: 

Imerovigli, Imerovíglion, 84701, Greece

$2401 for 5 nights

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Hilton Vienna Danube Waterfront

Handelskai 269, 02. Leopoldstadt, 1020 Vienna, Austria

$215 for 1 night

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Grand Hotel Dimyat

111 Kniaz Boris I Blvd., 9002 Varna City, Bulgaria

(cost= $735)

Bibliography

·      http://www.educationworld.com/a_lesson/explaining-the-greek-economic-crisis-with-students.shtml

·      https://en.wikipedia.org/wiki/Geography_of_Greece

·      https://en.wikipedia.org/wiki/Geography_of_Bulgaria#Climate

http://www.worldweatheronline.com/Sofia-weather-averages/Grad-Sofiya/BG.aspx

https://en.wikipedia.org/wiki/Bulgaria 

http://www.indexmundi.com/greece/age_structure.html

http://populationpyramid.net/greece/2100/

https://en.wikipedia.org/wiki/Population_decline

http://www.wsj.com/articles/greece-struggles-to-get-citizens-to-pay-their-taxes-1424867495

·   

http://www.novinite.com/articles/156553/Bulgaria's+Population,+Fastest+Shrinking+Worldwide+-+Report

http://www.bloomberg.com/ss/10/08/0813_fastest_shrinking_countries/23.htm

https://www.creditwritedowns.com/2013/02/bulgaria-de-population-on-a-massive-scale.html

http://www.indexmundi.com/bulgaria/age_structure.html

http://www.worldbank.org/en/news/press-release/2013/09/20/growing-old-wisely-in-bulgaria

http://www.undp.org/content/dam/undp/library/MDG/english/MDG%20Country%20Reports/Bulgaria/2008%20MDG%20Report.pdf

http://hdr.undp.org/en/countries/profiles/BGR

http://www.tripadvisor.com.au/Hotel_Review-g295392-d1476580-Reviews-Ventura_Boutique_Hotel-Varna_Varna_Province.html

http://www.tripadvisor.com.au/Hotel_Review-g295392-d1563769-Reviews-Grand_Hotel_Dimyat-Varna_Varna_Province.html#photos

http://www.bulgariaski.com/articles/sustainable_tourism_en.html
http://business.time.com/2011/06/07/what-can-you-do-to-help-greece-go-there/