Poland's European Affairs Minister, Konrad Szymanski, during a European general affairs council in BrusselsPhoto: PAP/EPA
Many experts in Poland and abroad expect the negotiations to be long and difficult.
Britain's Financial Times says that the debate will be "acrimonious," while the Politico news service expects the summit to see "ferocious competition" and a "fierce fight" over how and where to allocate the bloc's funds.
Tomasz Ferenc has more...