Exposure to the Gulf and Middle is may be accessed through WisdomTree Middle East Dividend ETF (NYSEArca: GULF), which has an expense ratio of 0.88%, and Van Eck Market Vectors Gulf States ETF (NYSEArca: MES), which has an expense ratio of 0.98%.

Emerging Eastern European countries are represented through the SPDR S&P Emerging Europe ETF (NYSEArca: GUR), which has an expense ratio of 0.60%.

For more information on the frontier, visit our frontier markets category.

Max Chen contributed to this article.