A nitrogen-containing heterocyclic derivative represented by the following formula: wherein any "14-a" groups of R 201 to R 214 are independently a hydrogen atom, a fluorine atom, a substituted or unsubstituted alkyl group having 1 to 10 carbon atoms, a substituted or unsubstituted cycloalkyl group having 3 to 8 carbon atoms, a substituted or unsubstituted alkylsilyl group having 3 to 30 carbon atoms, a substituted or unsubstituted arylsilyl group having 8 to 30 ring carbon atoms, a substituted or unsubstituted alkoxy group having 1 to 20 carbon atoms, a substituted or unsubstituted aryloxy group having 6 to 20 ring carbon atoms, a substituted or unsubstituted phenyl group, a substituted or unsubstituted naphthyl group, a substituted or unsubstituted phenanthryl group, a substituted or unsubstituted biphenyl group, a substituted or unsubstituted terphenyl group, a substituted or unsubstituted chrysenyl group, a substituted or unsubstituted benzophenanthryl group, a substituted or unsubstituted benzanthryl group, a substituted or unsubstituted benzochrysenyl group, a substituted or unsubstituted fluorenyl group, a substituted or unsubstituted fluoranthenyl group or a substituted or unsubstituted heterocyclic group having 5 to 30 ring atoms; and any "a" groups of R 201 to R 214 are independently a single bond and is bonded to L 1; L 1 is a single bond, or a substituted or unsubstituted phenylene group; HAr is any of the nitrogen-containing heterocyclic groups represented by the following formulae to and (i); wherein any of of Rs which substitutes the heterocyclic skeleton is a single bond and is bonded to L 1, and other Rs are independently a hydrogen atom or a substituent or at least two adjacent groups thereof are combined to form a saturated or unsaturated ring; "a" is 1 and "b" is 1, if any of substituents of R 201 to R 214 and L 1 has a further substituent, or if R is a substituent, the substituent is an alkyl group, an alkylsilyl group, a halogenated alkyl group, a phenyl group, a naphthyl group, a phenanthryl group, a biphenyl group, a terphenyl group, a chrysenyl group, a benzophenanthryl group, a benzanthryl group, a fluorenyl group, a fluoranthenyl group, a cycloalkyl group, an alkoxy group, a heterocyclic group, an aralkyl group, an aryloxy group, an arylthio group, an alkoxycarbonyl group, a halogen atom, a hydroxyl group, a nitro group, a cyano group, a carboxyl group, or a dibenzofuranyl group. wherein any "14-a" groups of R 201 to R 214 are independently a hydrogen atom, a fluorine atom, a substituted or unsubstituted alkyl group having 1 to 10 carbon atoms, a substituted or unsubstituted cycloalkyl group having 3 to 8 carbon atoms, a substituted or unsubstituted alkylsilyl group having 3 to 30 carbon atoms, a substituted or unsubstituted arylsilyl group having 8 to 30 ring carbon atoms, a substituted or unsubstituted alkoxy group having 1 to 20 carbon atoms, a substituted or unsubstituted aryloxy group having 6 to 20 ring carbon atoms, a substituted or unsubstituted phenyl group, a substituted or unsubstituted naphthyl group, a substituted or unsubstituted phenanthryl group, a substituted or unsubstituted biphenyl group, a substituted or unsubstituted terphenyl group, a substituted or unsubstituted chrysenyl group, a substituted or unsubstituted benzophenanthryl group, a substituted or unsubstituted benzanthryl group, a substituted or unsubstituted benzochrysenyl group, a substituted or unsubstituted fluorenyl group, a substituted or unsubstituted fluoranthenyl group or a substituted or unsubstituted heterocyclic group having 5 to 30 ring atoms; and any "a" groups of R 201 to R 214 are independently a single bond and is bonded to L 1; L 1 is a single bond, or a substituted or unsubstituted phenylene group; HAr is any of the nitrogen-containing heterocyclic groups represented by the following formulae to and (i); wherein any of of Rs which substitutes the heterocyclic skeleton is a single bond and is bonded to L 1, and other Rs are independently a hydrogen atom or a substituent or at least two adjacent groups thereof are combined to form a saturated or unsaturated ring; "a" is 1 and "b" is 1, if any of substituents of R 201 to R 214 and L 1 has a further substituent, or if R is a substituent, the substituent is an alkyl group, an alkylsilyl group, a halogenated alkyl group, a phenyl group, a naphthyl group, a phenanthryl group, a biphenyl group, a terphenyl group, a chrysenyl group, a benzophenanthryl group, a benzanthryl group, a fluorenyl group, a fluoranthenyl group, a cycloalkyl group, an alkoxy group, a heterocyclic group, an aralkyl group, an aryloxy group, an arylthio group, an alkoxycarbonyl group, a halogen atom, a hydroxyl group, a nitro group, a cyano group, a carboxyl group, or a dibenzofuranyl group.