The draw for the 2018 World Cup qualification campaign takes place in St Petersburg this evening.
The 52 European countries will be split into seven groups of six teams and two groups of five teams.
England, France, Germany, Italy, Spain and Holland, will be in a group of six teams at the request of UEFA in order to maximise television income.
Hosts Russia will qualify automatically.
The winners of each group will qualify for Russia 2018, while the eight best group runners-up will take part in a play-off in November 2017.
The seedings
Pot 1: Germany, Belgium, Holland, Portugal, Romania, England, Wales, Spain, Croatia.
Pot 2: Slovakia, Austria, Italy, Switzerland, Czech Republic, France, Iceland, Denmark, Bosnia.
Pot 3: Ukraine, Scotland, Poland, Hungary, Sweden, Albania, Northern Ireland, Serbia, Greece.
Pot 4: Turkey, Slovenia, Israel, Ireland, Norway, Bulgaria, Faroe Islands, Montenegro, Estonia
Pot 5: Cyprus, Latvia, Armenia, Finland, Belarus, Macedonia, Azerbaijan, Lithuania, Moldova.
Pot 6: Kazakhstan, Luxembourg, Liechtenstein, Georgia, Malta, San Marino, Andorra.